diff --git a/.github/workflows/validate.yaml b/.github/workflows/validate.yaml
index 53e48f2..a929b5d 100644
--- a/.github/workflows/validate.yaml
+++ b/.github/workflows/validate.yaml
@@ -18,10 +18,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install pytest pylint
+          pip install -r requirements.txt
       - name: Run tests
         run: |
           pytest
-      - name: Lint with pylint
-        run: |
-          pylint custom_components/ha_text_ai/*.py
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..6364ea1
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+pytest
+pytest-asyncio
+homeassistant
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..d3fe289
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,8 @@
+"""Common fixtures for tests."""
+import pytest
+from homeassistant.core import HomeAssistant
+
+@pytest.fixture
+def hass() -> HomeAssistant:
+    """Return a Home Assistant instance for testing."""
+    return HomeAssistant()